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Summary

An elevation of privilege vulnerability exists in the way that the Windows Graphics Device Interface (GDI) handles objects in memory. 

An information disclosure vulnerability exists when the Windows kernel improperly initializes objects in memory.

To learn more about the vulnerabilities, go to the Security Update Guide.

Important If you install a language pack after you install this update, you must reinstall this update. Therefore, we recommend that you install any language packs that you need before you install this update. For more information, see Add language packs to Windows.

Known issues in this security update

Symptom

Resolution

After you install this security update, you may receive a Stop error message that resembles the following when you log off the computer:

SESSION_HAS_VALID_POOL_ON_EXIT (ab)

To resolve this known issue, apply update KB 4096310.

How to obtain and install the update

Method 1: Windows Update

This update is available through Windows Update. When you turn on automatic updating, this update will be downloaded and installed automatically. For more information about how to turn on automatic updating, see Windows Update: FAQ.

Method 2: Microsoft Update Catalog

To get the stand-alone package for this update, go to the Microsoft Update Catalog website.

Deployment information

For deployment details for this security update, go to the following article in the Microsoft Knowledge Base:

Security update deployment information: March 13, 2018

More Information


File information

The English (United States) version of this software update installs files that have the attributes that are listed in the following tables. The dates and times for these files are listed in Coordinated Universal Time (UTC). The dates and times for these files on your local computer are displayed in your local time together with your current daylight-saving time (DST) bias. Additionally, the dates and times may change when you perform certain operations on the files.

Note: The MANIFEST files (.manifest) and MUM files (.mum) that are installed are not listed.


File information
The English (United States) version of this software update installs files that have the attributes that are listed in the following tables. The dates and times for these files are listed in Coordinated Universal Time (UTC). The dates and times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and times may change when you perform certain operations on the files.

 

How to obtain help and support for this security update

Help for installing updates: Windows Update: FAQ

Security solutions for IT professionals: TechNet Security Support and Troubleshooting

Help for protecting your Windows-based computer from viruses and malware: Microsoft Secure

Local support according to your country: International Support

Windows Server 2008 file information

File hash information

File name

SHA1 hash

SHA256 hash

Windows6.0-KB4089344-x86.msu

B96BC90A07AB76FE4459C2605437139E756FE763

3EDAE9B12F90F48676BA6CC675466CCB8D618C37989D6A96165735576E292C18

Windows6.0-KB4089344-x64.msu

E259933A384777735D9F65EC0FF891B6069563DE

C91DA10E4D50F63ED235F8C98F7E35F456E4C2C007729D371C3C1CBC5ABC7EF3

Windows6.0-KB4089344-ia64.msu

EB731B076666ACA766403E3980F6A5827C93CA15

2A9D2CF6BA6731A8EE75D9E84D729E37E8F98934EC67E0069D343674F1C5F09C

For all supported x86-based versions

File name

File version

File size

Date

Time

Platform

Win32k.sys

6.0.6002.24321

2,083,840

23-Feb-2018

14:52

x86

For all supported x64-based versions

File name

File version

File size

Date

Time

Platform

Win32k.sys

6.0.6002.24321

2,813,440

23-Feb-2018

15:06

x64

For all supported ia64-based versions

File name

File version

File size

Date

Time

Platform

Win32k.sys

6.0.6002.24321

6,702,080

23-Feb-2018

14:59

IA-64

WES09 and POSReady 2009 file information

File hash information

File name

SHA1 hash

SHA256 hash

WindowsXP-KB4089344-x86-Embedded-ENU.exe

D38CCD66B4806B48FDE45D75C7FAA13DF5D5C696

72807FD8912777093DC38B278013338FC3BB4CC1669D2B77E79E498A047AE16E

For all supported x86-based versions

File name

File version

File size

Date

Time

Platform

Win32k.sys

5.1.2600.7445

1,907,200

21-Feb-2018

16:36

x86

Updspapi.dll

6.3.13.0

382,840

16-May-2014

03:08

x86

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